GNCP has ample access per filings if they were read, yet?
"Dr. Colliston reports that the mineralising event at Bouse was a mid-Tertiary epithermal
event, causing complex mineralization of gold, fluorite, barite, and associated metals
into previous copper-specularite mineralization. The prime cause was regional crustal
extension along the Plomosa Fault, just north of the Plomosa Mountains, which has now been
identified as a detachment fault. The "detachment fault" style of deposit is
best seen at Copperstone, the biggest gold discovery in Arizona in the past 50 years,
where 500,000 oz of gold was profitably by Cyprus Gold in the open pit there. The Mesquite
mine is another of this type.
Mineralization at Bouse is located primarily below the fault trace, in the lower plate, in
pre-Cambrian rocks older than 1 billion years. Mineralization is found both in steeply
dipping quartz veins and in laterally extensive breccia zones. The nature of these
structures and associated mineralization over almost all of the 1,300 acres suggest
further potential for major detachment fault gold deposits, and other deposits associated
with this style of mineralization.
The Bouse area is an historic gold producer, with the Little Butte open pit and
underground mines as known producers. Importantly, the historical grade recovered here
averaged over 0.4 oz/ton. Around 2/3 of this production was from the Little Butte Mine,
where the Arizona Department of Mines and Mineral Resources has recorded that the results
of a 16-hold drilling programme showed about 5 million tons of inferred ore grading
between 0.05 and 0.30 oz/ton.
Others areas of interest within the Company's 1,300 acres are the Brindle Claims, the high
grade Arrastre Mine, the Blue Slate Mine and the Flat Fault Mine.
At the gold price of approximately US$400/oz (in August 2004), this provides a value
estimate for the deposit in the range of up to $600 million. This estimated gold resource
is for the little Butte area only, and does not include any potential from the remainder
of the property. At the current Gold price of circa US$600/oz, the revised and updated
valuation report being prepared by Dr Colliston, will be significantly higher.
Located just north of the Plomosa Fault, The Bouse Property includes 3 historical mines
and almost 1,300 acres of project area, with significant inferred reserves of Gold, Silver
and Copper. The Burnt Well Property also includes an historical mine within the project
area which covers 640 acres which includes inferred reserves of Gold, Silver and Copper.
Local Geology
Bouse Property, a Mid-Tertiary system of epithermal mineralization was introduced into a
stacked sequence of lithotectonic units that are located on the northern side of the
Plomosa Detachment Fault. Complex epithermal gold, barite and fluorite mineralization is
superimposed on earlier copper-specularite mineralization. Gold occurs in laterally
extensive breccias and in steeply dipping amethystine-quartz veins. Past district
production (over 2/3 of which was from the Little Butte Mine) averaged over .4 oz/T gold.
Strong likelihood of a major detachment fault associated gold/copper deposit, similar to
the proven and mined Copperstone and Mesquite deposits. Past drilling by Tenneco, U.S.
Borax and Homestake found significant gold bearing intervals in both the breccias and high
angle structures.
Burnt Well Property, the regional geological setting is a major detachment fault (called
the "Bullard Detachment Fault") separating an upper plate of Tertiary
siltstone/sandstone and conglomerate from a lower plate of Precambrian mylonitic gneiss.
In the vicinity of the Silver Lining Mine, the upper plate is intensely altered and
shattered. The sedimentary rocks on the mine dump contain hematite, chrysacolla, calcite
and sparse manganese oxides. Gold, Silver and Copper mineralization is found in the
altered sedimentary rocks. The principal outcrop at the Silver Lining Mine is
approximately 40 to 80 meters from the detachment fault. There is a strong likelihood of a
major gold/copper deposit, similar to the proven and mined Copperstone and Mesquite
deposits. The Burnt Well is a "grass roots" project that has been overlooked by
numerous major mining companies during the most recent exploration boom in La Paz County.
Project Summary
The Bouse Project involves an important new type of Arizona gold deposit, called a
"detachment fault" deposit. Detachment fault deposits were first recognized as a
separate form of gold deposit in the 1980's. Enclosed within this pack is an article by
noted Arizona geologist Joe Wilkins Sr., which describes the leading theory about how they
formed. The best example of an Arizona detachment gold deposit is Copperstone, which is
about 20 miles from Bouse. It was the biggest gold discovery in Arizona in at least 50
years. Cyprus Gold profitably mined the 500,000 oz open pit resource during the 1980's.
American Bonanza is presently doing underground drilling. It looks like the underground
high grade resource is even larger. Enclosed are some materials on the Copperstone for
your general information on its history and American Bonanza's present activities there,
which are the major news in Arizona gold exploration at this time. Unlike Copperstone,
Bouse is an historic gold producer. 5,000 ounces were produced from high grade ore early
in the 20th century. It was also worked as an underground copper mine. Most of this
production was from the Little Butte Mine, which is the centrepiece of our land position.
Starting in the 1980's there has been a lot of exploration work at Bouse. Per Arizona
Department of Mines and Mineral Resources records, prior to 1983 a 16 hole drill program
blocked out 5,000,000 tons of material ranging from .05 to .30 ounces gold per ton. These
drill-holes were in the immediate vicinity of the Little Butte underground mine and the
Little Butte open pit. The drill hole locations are indicated as drill holes of an
"Unknown" exploration company on the enclosed Homestake Mining map.
Next, Fischer Watt exploration, a well regarded company based in Butte, Montana, leased
the Little Butte mine. They estimated the resource more conservatively, at 2,000,000 tons
of .07 ounce per ton rock. They drilled exactly one 290 foot hole near the Little Butte
underground mine and encountered 7 gold bearing intervals.
Tenneco then took over the project. They drilled 17 holes and found gold bearing intervals
in 10 of them. Not only did Tenneco find gold at the Little Butte underground mine and
open pit, but they also found gold at the Arrastre Mine, the Blue Slate Mine and the Flat
Fault Mine, all of which are included in our project.
During 1984 U.S. Borax drilled 18 holes in the pediment to the west of the historic mining
district along the inferred course of the Plomosa detachment fault. Three of these holes
met with success. We have a lot of material from this project, and it is included for your
review. These are the packets and maps from Corn & Ahearn and PCMI. While we have not
viewed this area as a high priority, some of it has been included in our present land
position.
Starting in 1987, Homestake Mining leased the central part of the district (called the
Brindle claims -- these are the core of our present land position) and acquired an option
to purchase the smaller patented group to the west called the Paradise Mine, which is not
included in our project. Homestake drilled over 50 holes over a 4 year period. They found
significant gold mineralization everywhere that Tenneco did at the Little Butte mine and
open pit, the Blue Slate Mine and the Flat Fault Mine. They also put down seven drill
holes in the vicinity of the detachment fault. Enclosed is a pack which we obtained from
Barrick which includes all of Homestake's drill logs and assay results. The map at the
rear section entitled "Alteration, Mineralization and Drill Holes" includes all
of the drill information for the previous work by Fischer Watt, US Borax and Tenneco.
What does the future hold for this gold deposit? While a gold deposit this big will take a
substantial amount of work to turn into a large proven reserve, this should be a simple
and straight forward effort if the drill programs focus on the core deposit, rather than
concentrating on peripheral areas. The core deposit may be visualized as an inverted
"V" with the Little Butte underground mine near the apex, the Little Butte open
pit, Flat Fault mine and Blue Slate mine along the left leg, and the Airfield deposit at
the bottom of the right leg. If, as we believe, the entire area of the inverted
"V" turns out to be a mineable open pit resource this would be a far larger gold
deposit than the 1,000,000 +/- oz Copperstone, and may be closer to the 10,000,000 oz size
of the Mesquite mine, which is another detachment fault deposit in California.
Another high priority area is the granite block located within the confines of the
inverted "V." There is high grade gold mineralization at the Arrastre Mine,
which is near the southern end of the granite block about 4,000 feet south of the Little
Butte underground mine. Homestake did not even bother to map this area in detail, which is
surprising given the extensive surface shows of copper oxide and the abundant quartz.
Also included are the two major geological reports on the district. (1) The Jemmett
report, from 1966, is included because it gives some good descriptions of the individual
mines. While Jemmett is not very enthusiastic about the mineral possibilities of the
district, his report predates the discovery of the detachment fault model of gold
mineralization, which turned Western Arizona into a "hot" area for mineral
exploration. (2) The second report by Duncan was funded by Homestake. An important
conclusion (p.37) is that the high gold and copper values are in a NE/SW band
corresponding to the left leg of the inverted "V" referred to above.
Included with the projects is the Burnt Well property, also located in La Paz County. We
have acquired about 640 acres along the Bullard detachment fault in the vicinity of the
Silver Lining Mine, and plan to add at least another 480 acres. While Cominco drilled the
Bullard deposit to the east along this fault, Burnt Well escaped the attention of the
majors during the 1980's gold exploration boom. A limited amount of material is included
from the Arizona Geological Survey and the Arizona Department of Mines and Mineral
Resources. Preliminary surface sampling shows similar grade (approximately .1 oz gold per
ton) as the open pit resource at Copperstone. There is no recorded production for this
district. However, from the size of the dumps, it is obvious that there must have been
substantial production in the past."
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